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| Number | Title | Issue Date |
| 5973844 | Lenslet array systems and methods A stacked array magnifier (SAM) forms a magnified, demagnified or unit image of an object. The SAM includes one or more non-refractive lenslet arrays and one or more refractive lenslet arrays to form a plurality of lenslet channels. Each lenslet channel h... | 10/26/1999 |
| 5955062 | Colored formulations for application to human skin A lotion such as a sunscreen includes a pH indicator which colorizes the lotion until the lotion is applied to the human skin, whereinafter the colored lotion turns clear. A physiologically compatible pH indicator such as phenolphthalein is used which has... | 09/21/1999 |
| 5852834 | Apparatus and associated methods for unclogging a toilet A toilet seat includes a substantially rigid lid coupled to a pliant top. The seat seals against the rim of the standard toilet bowl and forms a pressure-adjustable cavity with the bowl and the surface of the water. Once sealed, the seat is pumped to inje... | 12/29/1998 |
